3089891 has 6 divisors (see below), whose sum is σ = 3594420. Its totient is φ = 2648436.

The previous prime is 3089887. The next prime is 3089899. The reversal of 3089891 is 1989803.

It is not a de Polignac number, because 3089891 - 2² = 3089887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3089899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31481 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (599070).

Almost surely, 2^3089891 is an apocalyptic number.

3089891 is a deficient number, since it is larger than the sum of its proper divisors (504529).

3089891 is an equidigital number, since it uses as much as digits as its factorization.

3089891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63073 (or 63066 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 3089891 is about 1757.8085788845. The cubic root of 3089891 is about 145.6513071153.

The spelling of 3089891 in words is "three million, eighty-nine thousand, eight hundred ninety-one".